<template>
  <div class='container-reports'>
    <!-- 面包屑区域 -->
    <el-breadcrumb separator-class='el-icon-arrow-right'>
      <el-breadcrumb-item :to='{ path: '/' }'>首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
      <div class='echarts-container' ref='echartsRef' style=' height: 600px; width: 100%;'></div>
      {{optionRes}}
    </el-card>
  </div>
</template>

<script>
import _ from 'lodash';
export default {
  name: 'ReportIndex',
  created() {
    this.getEchartsData();
  },
  mounted() {
    const myChart = this.$echarts.init(this.$refs.echartsRef);
    myChart.setOption(this.optionRes);
  },
  data() {
    return {
      // 合并渲染数据
      optionRes: {},
      // Echarts 配置数据
      option: {
        title: {
          text: '堆叠区域图'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#6a7985'
            }
          }
        },
        legend: {
          data: ['邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
        },
        toolbox: {
          feature: {
            saveAsImage: {}
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            type: 'category',
            boundaryGap: false,
            data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ],
        series: [
          {
            name: '邮件营销',
            type: 'line',
            stack: '总量',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [120, 132, 101, 134, 90, 230, 210]
          },
          {
            name: '联盟广告',
            type: 'line',
            stack: '总量',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [220, 182, 191, 234, 290, 330, 310]
          },
          {
            name: '视频广告',
            type: 'line',
            stack: '总量',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [150, 232, 201, 154, 190, 330, 410]
          },
          {
            name: '直接访问',
            type: 'line',
            stack: '总量',
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [320, 332, 301, 334, 390, 330, 320]
          },
          {
            name: '搜索引擎',
            type: 'line',
            stack: '总量',
            label: {
              show: true,
              position: 'top'
            },
            areaStyle: {},
            emphasis: {
              focus: 'series'
            },
            data: [820, 932, 901, 934, 1290, 1330, 1320]
          }
        ]
      }
    };
  },
  methods: {
    async getEchartsData() {
      const { data } = await this.$http.get('reports/type/1');
      if (data.meta.status !== 200)
        return this.$message.error('数据异常，请稍后刷新重试...');
      console.log(data);
      this.optionRes = _.merge(this.options, data.data);
    }
  }
};
</script>

<style lang='less' scoped>
// 面包屑导航区域
.el-breadcrumb {
  margin-bottom: 12px;
}
</style>
